Home / 92,570.52-127,651.75-79,186.08

Finding the Fourth Proportional to 92,570.52, 127,651.75 and 79,186.08

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Solution

The fourth proportional to 92,570.52, 127,651.75 and 79,186.08 is: 109,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,570.52 : 127,651.75 = 79,186.08 : x
  2. Step 2: Convert to fraction form
    92,570.52/127,651.75 = 79,186.08/x
  3. Step 3: Cross multiply
    92,570.52x = 127,651.75 × 79,186.08
  4. Step 4: Simplify right side
    92,570.52x = 10,108,241,687.64
  5. Step 5: Solve for x
    x = 10,108,241,687.64/92,570.52
  6. Step 6: Final answer
    x = 109,195.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.